Patent US2918814A successfully refreshed from Google Patents.
US2918814A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1956-01-03
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Granted: 1959-12-29
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Expires: 1976-01-03
Abstract
No abstract record available.
Inventors
- 👤 Farina Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:48
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/04; E04B9/0435; E04B9/0464; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/14; E04F13/142; E04F13/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US799843A
Cited
US813548A
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US833629A
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US833532A
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US882482A
Cited
US1487578A
Cited
US1863842A
Cited
US1932433A
Cited
US2323417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |